Solved question paper for CHEMISTRY May-2014 (B-TECH 1st-2nd)
Solved Question Paper
Engineering chemistry May-2014
PTU • B-TECH • Information Technology • 1st-2nd • May-2014
engineering chemistry previous year question papers on BRpaper are organized for students of Punjab Technical University’s Bachelor of Technology program, 1st-2nd semester. This section makes it easier to browse subject-wise old question papers for engineering chemistry, so students can review how questions are typically framed in past exams and get a sense of the exam pattern. Many students search for engineering chemistry previous year question paper while preparing for exams, and this page is built to support exactly that kind of subject-wise browsing and revision. BRpaper is not the official website of Punjab Technical University or any institution, and it does not publish official notices or academic updates.
PART A
1. Spectroscopy and its Applications:
An introduction UV/Visible Spectroscopy: Selection rules; Line widths and intensity of spectral lines; Principle and instrumentation; Electronic Transitions; Chromophores & auxochromes; Factors affecting λMax & intensity of spectral lines; Franck-Condon principle; Applications. IR Spectroscopy: Principle and instrumentation; Vibrational frequency; Fundamental modes of vibrations and types; Anharmonics; Factors affecting vibrational frequency; Applications. NMR Spectroscopy: Principle & instrumentation; Chemical shift; Spin-Spin Splitting; High-resolution NMR spectrum (PMR only). (7)
2. Photochemistry:
Introduction; Photo-physical & photochemical processes; Light sources in photochemistry; Beer-Lambert Law; Laws of Photochemistry; Quantum yield (primary and overall); Primary and secondary photochemical reactions; Jablonski diagram; Semiconductor photochemistry, Photovoltaic cells, Introduction to optical sensors, Introduction to supra-molecular photochemistry. (5)
3. Water and its Treatment:
Boiler feed water: Specification, Scales and sludge fermentation; Priming & foaming; Different methods of the water purifications and softening; Desalination of water; Water for domestic use: Specification; Disinfection of water.
4. Green Chemistry and its Applications:
Introductory overview - Definition and concepts of Green chemistry; Emergence of Green chemistry; Twelve principles of Green Chemistry with emphasis on the use of alternative feedstock (biofuels); Use of innocuous reagents in natural processes; Alternative solvents; Design of the safer chemicals; Designing alternative reaction methodology. Microwave and ultrasonic radiation in Green synthesis - Minimizing energy consumption. (4)
PART B
5. Corrosion and its Prevention:
Introduction; Different types of corrosion - Wet and Dry corrosion; Different types of surface films; Mechanisms of wet corrosion; Galvanic corrosion; Galvanic Series; Concentration cell corrosion and differential aeration corrosion; Soil and microbial corrosions; waterline, stress corrosions; Various methods of corrosion control. (5)
6. Polymers and Reinforced Composites:
Introduction; Functionality; Types of polymerization; Specific features of polymers; Structures - regularity and irregularity; Tacticity of polymers; Average molecular weights and size; Determination of molecular weight by number average method; Effect of molecular weight on the properties of polymers; Introduction to polymer reinforced composite. (5)
7. Nanochemistry:
Introduction; Materials self-assembly; Molecular vs. materials self-assembly; Self-assembling materials; Two-dimensional assemblies; Mesoscale self-assembly; Coercing colloids; Nanocrystals; Supramolecular structures; Nanoscale materials; Future perspectives. (5)
8. Petrochemicals:
Introduction; First, second & third generation petrochemicals; Primary Raw Materials for Petrochemicals. Natural gas: Natural gas treatment processes; Natural gas liquids; Properties of natural gas; Crude oil: Composition of crude oil- Hydrocarbon compounds; Non-hydrocarbon compounds; Metallic Compounds, Crude oil classification; Physical separation processes; Conversion processes; Production of ethylene and propylene
Solved Questions
Solved-
What is cathodic protection?Short Answer 2 Marks May-2014 • PTU B-TECH
-
Dec 2016 Explain cathodic protection for corrosion control.
-
May 2015 What do you mean by Anodic Sacrificial Protection?
-
May 2011 Explain cathodic protection.
-
Dec 2011 Explain cathodic protection.
-
Dec 2005 How is galvanization different from cathodic protection?
-
-
Most absorption bands in the UV-Visible spectra are very broad. Explain.Short Answer 2 Marks May-2014 • PTU B-TECH
-
Dec 2012 The absorption bands in UV-visible spectra are usually broad. Explain.
-
Dec 2012 “The absorption bands in UV-visible spectra are usually broad.” Explain.
-
-
What is the range of radiations usually used in photochemical reactions?Short Answer 2 Marks May-2014 • PTU B-TECH
-
What is chromatography?Short Answer 2 Marks May-2014 • PTU B-TECH
-
May 2017
What is partition chromatography?
-
May 2016 What is the basic principle of Chromatography? Give various types of liquid chromatography.
-
Dec 2016 Name the two phases of chromatography.
-
May 2015 What is the basic principle of chromatographic techniques?
-
May 2015 Discuss various types of liquid chromatography.
-
Dec 2015 What is the basic principle of chromatographic techniques?
-
May 2014 Define chromatography. Discuss various types of chromatography.
-
May 2014 Give the applications of chromatography.
-
May 2013 What do you understand by partition chromatography?
-
May 2013 What are the types of liquid chromatography?
-
May 2012 What is partition chromatography?
-
May 2012 What is chromatography? Discuss its classification.
-
Dec 2012 What is chromatography?
-
Dec 2012 Discuss classification of chromatography.
-
May 2011 What are the advantages of chromatography?
-
May 2011 What is chromatography? Discuss the types of chromatography.
-
Dec 2011 Give the classification of chromatography.
-
May 2010 Explain partition chromatography.
-
May 2010 Explain paper chromatography.
-
May 2010 Explain thin layer chromatography.
-
Dec 2010 How chromatographic separation methods can be classified?
-
Dec 2010 Briefly discuss the applications of chromatography.
-
May 2007 What are various classes of chromatography? Bring out clearly the principles involved in each case.
-
Dec 2007 What are various classes of chromatography? Bring out clearly the principles involved in each case.
-
Dec 2006 What are various classes of chromatography? Bring out clearly the principles involved in each case.
-
May 2005 How are chromatographic techniques classified? Discuss in brief chromatographic mechanism.
-
May 2005 Explain the chromatographic development with suitable example.
-
-
What happens when temporary hard water is boiled? Write chemical equations.Short Answer 2 Marks May-2014 • PTU B-TECH
-
Dec 2012 What happens when temporary hard water is boiled? Write chemical equations.
-
Dec 2010 What happens when temporary hard water is boiled? Write the chemical reactions.
-
-
What is over voltage?Short Answer 2 Marks May-2014 • PTU B-TECH
-
May 2012 What is overvoltage? Discuss the factors affecting overvoltage value.
-
May 2011 Explain the concept of overvoltage.
-
Dec 2010 What is over voltage?
-
-
What is meant by term component?Short Answer 2 Marks May-2014 • PTU B-TECH
-
Why is hardness of water expressed in terms of calcium carbonate equivalent?Short Answer 2 Marks May-2014 • PTU B-TECH
-
Dec 2017
SECTION A
1. Compulsory Question:
a) Why do we express hardness of water in terms of CaCO3, equivalents? -
May 2005 Why do we express hardness of water in terms of CaCO3 equivalents?
-
-
What information is obtained from number of signals in NMR?Short Answer 2 Marks May-2014 • PTU B-TECH
-
What is metastable state?Short Answer 2 Marks May-2014 • PTU B-TECH
-
May 2018
What is metastable state?
-
May 2017
What is metastable state?
-
-
Determine the hardness of Sample A containing 820 mg of calcium nitrate and 4 mg of silica per litre.Short Answer 4 Marks May-2014 • PTU B-TECH
-
May 2014 Determine the hardness of Sample B containing 10 gm of potassium nitrate and 1.0 gm of calcium carbonate per 250 mL.
-
-
Determine the hardness of Sample B containing 10 gm of potassium nitrate and 1.0 gm of calcium carbonate per 250 mL.Short Answer 4 Marks May-2014 • PTU B-TECH
-
May 2014 Determine the hardness of Sample A containing 820 mg of calcium nitrate and 4 mg of silica per litre.
-
-
Describe Zeolite method for softening of water.Short Answer 4 Marks May-2014 • PTU B-TECH
-
May 2016 Discuss in details different methods for softening of water.
-
Dec 2016 Discuss the cation and anion exchange resins, and their usefulness for water softening.
-
Dec 2016 Explain any two methods of water softening.
-
Dec 2012 Describe ion exchange method for softening of water.
-
May 2011 Describe Zeolite method for softening of water.
-
Dec 2010 Discuss ion exchange method for water softening.
-
Dec 2007 Describe the ion exchange process of softening hard water. What are its advantages?
-
-
Define corrosion. Discuss the mechanism of wet corrosion.Short Answer 4 Marks May-2014 • PTU B-TECH
-
May 2020 Explain the mechanism of galvanic corrosion.
-
May 2020 Explain the mechanism of wet corrosion.
-
May 2019 Discuss the chemistry and mechanism of wet corrosion.
-
Dec 2018 Discuss the mechanism of wet corrosion.
-
Dec 2017
Explain the mechanism of electrochemical corrosion with example.
-
May 2016 What is corrosion? Explain electrochemical theory of corrosion.
-
May 2016 Explain differential metal corrosion.
-
Dec 2016 Explain differential aeration corrosion.
-
Dec 2016 Give the cause of corrosion.
-
May 2015 Explain waterline corrosion.
-
May 2015 Explain stress corrosion.
-
May 2015 Explain the mechanism of electrochemical corrosion.
-
Dec 2015 Describe sacrificial anodic method for corrosion prevention with an example.
-
May 2012 Explain the mechanism of wet corrosion.
-
Dec 2012 Describe the mechanism of electrochemical corrosion.
-
Dec 2012 Explain dry corrosion.
-
Dec 2012 Describe the mechanism of electrochemical corrosion.
-
May 2011 Discuss the mechanism of wet corrosion.
-
Dec 2011 Discuss mechanism of wet corrosion.
-
May 2008 What is corrosion of metals? Explain electro-chemical corrosion with its mechanism.
-
Dec 2008 Explain the type of corrosion with evolution of hydrogen ions.
-
May 2007 Discuss briefly: Galvanic corrosion
-
Dec 2007 Explain briefly galvanic cell corrosion.
-
Dec 2007 Explain briefly pitting corrosion.
-
Dec 2006 Discuss briefly Galvanic corrosion.
-
-
What are the protective measures against corrosion? Discuss.Short Answer 4 Marks May-2014 • PTU B-TECH
-
Dec 2023 What do you understand by wet and dry corrosion? How the corrosion can be prevented?
-
May 2022 What are the different methods of controlling corrosion? Explain sacrificial anodic protection method.
-
May 2020 What are the various methods that need to be followed to control corrosion?
-
Dec 2018 How corrosion can be prevented by proper designing?
-
-
Define chromatography. Discuss various types of chromatography.Short Answer 4 Marks May-2014 • PTU B-TECH
-
May 2017
What is partition chromatography?
-
May 2016 What is the basic principle of Chromatography? Give various types of liquid chromatography.
-
Dec 2016 Name the two phases of chromatography.
-
May 2015 What is the basic principle of chromatographic techniques?
-
May 2015 Discuss various types of liquid chromatography.
-
Dec 2015 What is the basic principle of chromatographic techniques?
-
May 2014 What is chromatography?
-
May 2014 Give the applications of chromatography.
-
May 2013 What do you understand by partition chromatography?
-
May 2013 What are the types of liquid chromatography?
-
May 2012 What is partition chromatography?
-
May 2012 What is chromatography? Discuss its classification.
-
Dec 2012 What is chromatography?
-
Dec 2012 Discuss classification of chromatography.
-
May 2011 What are the advantages of chromatography?
-
May 2011 What is chromatography? Discuss the types of chromatography.
-
Dec 2011 Give the classification of chromatography.
-
May 2010 Explain partition chromatography.
-
May 2010 Explain paper chromatography.
-
May 2010 Explain thin layer chromatography.
-
Dec 2010 How chromatographic separation methods can be classified?
-
Dec 2010 Briefly discuss the applications of chromatography.
-
May 2007 What are various classes of chromatography? Bring out clearly the principles involved in each case.
-
Dec 2007 What are various classes of chromatography? Bring out clearly the principles involved in each case.
-
Dec 2006 What are various classes of chromatography? Bring out clearly the principles involved in each case.
-
May 2005 How are chromatographic techniques classified? Discuss in brief chromatographic mechanism.
-
May 2005 Explain the chromatographic development with suitable example.
-
-
Give the applications of chromatography.Short Answer 4 Marks May-2014 • PTU B-TECH
-
May 2017
What is partition chromatography?
-
May 2016 What is the basic principle of Chromatography? Give various types of liquid chromatography.
-
Dec 2016 Name the two phases of chromatography.
-
May 2015 What is the basic principle of chromatographic techniques?
-
May 2015 Discuss various types of liquid chromatography.
-
Dec 2015 What is the basic principle of chromatographic techniques?
-
May 2014 What is chromatography?
-
May 2014 Define chromatography. Discuss various types of chromatography.
-
May 2013 What do you understand by partition chromatography?
-
May 2013 What are the types of liquid chromatography?
-
May 2012 What is partition chromatography?
-
May 2012 What is chromatography? Discuss its classification.
-
Dec 2012 What is chromatography?
-
Dec 2012 Discuss classification of chromatography.
-
May 2011 What are the advantages of chromatography?
-
May 2011 What is chromatography? Discuss the types of chromatography.
-
Dec 2011 Give the classification of chromatography.
-
May 2010 Explain partition chromatography.
-
May 2010 Explain paper chromatography.
-
May 2010 Explain thin layer chromatography.
-
Dec 2010 How chromatographic separation methods can be classified?
-
Dec 2010 Briefly discuss the applications of chromatography.
-
May 2007 What are various classes of chromatography? Bring out clearly the principles involved in each case.
-
Dec 2007 What are various classes of chromatography? Bring out clearly the principles involved in each case.
-
Dec 2006 What are various classes of chromatography? Bring out clearly the principles involved in each case.
-
May 2005 How are chromatographic techniques classified? Discuss in brief chromatographic mechanism.
-
May 2005 Explain the chromatographic development with suitable example.
-
-
What are concentration cells? Discuss electrolyte concentration cells.Short Answer 5 Marks May-2014 • PTU B-TECH
-
Dec 2011 What are concentration cells? Discuss electrode concentration cells.
-
-
Explain liquid junction potential.Short Answer 3 Marks May-2014 • PTU B-TECH
-
Dec 2017
What is liquid junction potential? Derive the expression for liquid junction potential.
\r\nHow can it be minimized or eliminated? -
May 2013 What do you understand by liquid junction potential?
-
Dec 2012 What is liquid junction potential?
-
May 2011 What is liquid junction potential?
-
-
What are lasers and masers?Short Answer 4 Marks May-2014 • PTU B-TECH
-
May 2018
What are masers? How do they differ or relate to lasers?
-
-
Define and explain Grotthus-Draper law and Lambert-Beer law.Short Answer 4 Marks May-2014 • PTU B-TECH
-
May 2022 What is Lambert-Beer’s Law?
-
Dec 2018 Define Beer-Lambert law. Derive the equation.
-
May 2016 Define Beer-Lambert’s law. What are its limitations?
-
Dec 2016 Define Beer-Lambert law. Derive the equation.
-
Dec 2014 Explain Beer-Lambert Law.
-
Dec 2014 Explain Beer-Lambert Law.
-
Dec 2012 Define Lambert-Beer law.
-
Dec 2005 Explain Beer-Lambert Law.
-
-
Discuss Franck-Condon principle.Short Answer 3 Marks May-2014 • PTU B-TECH
-
May 2015 State and explain Franck-Condon principle.
-
May 2013 Discuss Franck-Condon principle.
-
Dec 2012 Explain Franck-Condon principle.
-
May 2011 Explain Frank-Condon principle.
-
Dec 2010 Discuss Franck-Condon principle.
-
May 2005 Explain the Frank-Condon principle.
-
-
Discuss resonance and inductive electronic effects in IR.Short Answer 5 Marks May-2014 • PTU B-TECH
-
Explain the ¹H NMR patterns and intensities of the isopropyl group in isopropyl iodide.Short Answer 4 Marks May-2014 • PTU B-TECH
-
May 2015 Explain the 1H NMR patterns and intensities of isopropyl group in isopropyl alcohol.
-
-
What type of information can be obtained from ¹³C NMR spectrum?Short Answer 4 Marks May-2014 • PTU B-TECH
-
May 2005 What type of nuclei show NMR spectra?
-
Dec 2005 What type of information is obtained by studying the H-NMR spectra of an organic compound?
-
-
What is phase rule?Short Answer 2 Marks May-2014 • PTU B-TECH
-
Dec 2017
What do you understand by reduced phase rule?
-
Dec 2012 What is phase rule?
-
May 2010 What is condensed phase rule?
-
May 2010 When is condensed phase rule applied?
-
May 2005 What is phase rule? What is its significance?
-
Dec 2005 What is condensed Phase Rule? When is it applied?
-
-
Discuss phase diagram of helium.Long Answer 6 Marks May-2014 • PTU B-TECH
-
May 2011 Draw and discuss phase diagram of Helium system.
-
Explore all data
FAQ
Frequently Asked Questions
Answers about this subject, solved papers, and preparation.
01 Where can I find engineering chemistry previous year question papers for Bachelor of Technology, 1st-2nd semester?
This page lists engineering chemistry question papers uploaded for Punjab Technical University Bachelor of Technology, 1st-2nd semester, organized for subject-wise browsing where available.
02 Are these official Punjab Technical University question papers?
BRpaper is not the official website of Punjab Technical University. These papers are shared for reference and revision purposes only and are not official university material.
03 How can previous year engineering chemistry papers help in exam preparation?
Reviewing past papers can help you understand how questions are typically framed, notice commonly repeated topics, and get a sense of the exam pattern before your own exam.
04 What kind of topics does engineering chemistry usually cover?
The question papers here relate to the official engineering chemistry syllabus set by the university for this course and semester.
05 Does this page include a engineering chemistry previous year question paper or solved answers?
This page focuses on providing access to the previous year question papers themselves. A separate question bank or solved answers may not be available for every paper.
06 Can I find papers for other subjects in the same Bachelor of Technology?
Yes, BRpaper organizes papers by university, course, stream, and semester, so you can browse other subjects within the same Punjab Technical University Bachelor of Technology.